package com.jwetherell.euler;

import java.io.File;
import java.text.DecimalFormat;


public class Tester {

    private static final DecimalFormat FORMAT = new DecimalFormat("#.######");

    public static void main(String[] args) {
        { 
            int size = 1000; int[] array = new int[size]; 
            for (int i=0; i<size; i++) { array[i] = i; }

            System.out.println("Problem 1."); long before = System.nanoTime(); int result = Problem1.solve(array); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 1 ideal solution."); before = System.nanoTime(); result = Problem1.ideal(size);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            int FOUR_MILLION = 4000000;

            System.out.println("Problem 2."); long before = System.nanoTime(); int result = Problem2.solve(FOUR_MILLION);
            long after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 2 ideal solution."); before = System.nanoTime(); result =
                    Problem2.ideal(FOUR_MILLION); after = System.nanoTime(); System.out.println("result="+result);
                    System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
                    System.gc(); 
        }

        { 
            long n = 600851475143l;

            System.out.println("Problem 3."); long before = System.nanoTime(); long result = Problem3.solve(n); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 3 ideal solution."); before = System.nanoTime(); result = Problem3.ideal(n);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            int digits = 3;

            System.out.println("Problem 4."); long before = System.nanoTime(); long result = Problem4.solve(digits); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 4 ideal solution."); before = System.nanoTime(); result = Problem4.ideal(digits);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            int max = 10;

            System.out.println("Problem 5."); long before = System.nanoTime(); long result = Problem5.solve(max); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 5 ideal solution."); before = System.nanoTime(); result = Problem5.ideal(max);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            int number = 100;

            System.out.println("Problem 6."); long before = System.nanoTime(); long result = Problem6.solve(number); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 6 ideal solution."); before = System.nanoTime(); result = Problem6.ideal(number);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            int number = 10001;

            System.out.println("Problem 7."); long before = System.nanoTime(); long result = Problem7.solve(number); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 7 ideal solution."); before = System.nanoTime(); result = Problem7.ideal(number);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            String number = 
                    "73167176531330624919225119674426574742355349194934"+
                            "96983520312774506326239578318016984801869478851843"+ 
                            "85861560789112949495459501737958331952853208805511"+
                            "12540698747158523863050715693290963295227443043557"+ 
                            "66896648950445244523161731856403098711121722383113"+
                            "62229893423380308135336276614282806444486645238749"+ 
                            "30358907296290491560440772390713810515859307960866"+
                            "70172427121883998797908792274921901699720888093776"+ 
                            "65727333001053367881220235421809751254540594752243"+
                            "52584907711670556013604839586446706324415722155397"+ 
                            "53697817977846174064955149290862569321978468622482"+
                            "83972241375657056057490261407972968652414535100474"+ 
                            "82166370484403199890008895243450658541227588666881"+
                            "16427171479924442928230863465674813919123162824586"+ 
                            "17866458359124566529476545682848912883142607690042"+
                            "24219022671055626321111109370544217506941658960408"+ 
                            "07198403850962455444362981230987879927244284909188"+
                            "84580156166097919133875499200524063689912560717606"+ 
                            "05886116467109405077541002256983155200055935729725"+
                            "71636269561882670428252483600823257530420752963450";

            System.out.println("Problem 8."); long before = System.nanoTime(); long result = Problem8.solve(number); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 8 ideal solution."); before = System.nanoTime(); result = Problem8.ideal(number);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            int number = 1000;

            System.out.println("Problem 9."); long before = System.nanoTime(); long result = Problem9.solve(number); long
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 9 ideal solution."); before = System.nanoTime(); result = Problem9.ideal(number);
            after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
            System.gc(); 
        }

        { 
            int number = 2000000;

            System.out.println("Problem 10."); long before = System.nanoTime(); long result = Problem10.solve(number);
            long after = System.nanoTime(); System.out.println("result="+result);
            System.out.println("Computed in "+FORMAT.format(after-before)+" ns");
            System.gc();

            System.out.println("Problem 10 ideal solution."); before = System.nanoTime(); result =
                    Problem10.ideal(number); after = System.nanoTime(); System.out.println("result="+result);
                    System.out.println("Computed in "+FORMAT.format(after-before)+" ns"); System.out.println();
                    System.gc(); 
        }

        {
            int[][] array = { 
                    { 8, 2, 22, 97, 38, 15, 0, 40, 0, 75, 4, 5, 7, 78, 52, 12, 50, 77, 91, 8 },
                    { 49, 49, 99, 40, 17, 81, 18, 57, 60, 87, 17, 40, 98, 43, 69, 48, 4, 56, 62, 0 },
                    { 81, 49, 31, 73, 55, 79, 14, 29, 93, 71, 40, 67, 53, 88, 30, 3, 49, 13, 36, 65 },
                    { 52, 70, 95, 23, 4, 60, 11, 42, 69, 24, 68, 56, 1, 32, 56, 71, 37, 2, 36, 91 },
                    { 22, 31, 16, 71, 51, 67, 63, 89, 41, 92, 36, 54, 22, 40, 40, 28, 66, 33, 13, 80 },
                    { 24, 47, 32, 60, 99, 3, 45, 2, 44, 75, 33, 53, 78, 36, 84, 20, 35, 17, 12, 50 },
                    { 32, 98, 81, 28, 64, 23, 67, 10, 26, 38, 40, 67, 59, 54, 70, 66, 18, 38, 64, 70 },
                    { 67, 26, 20, 68, 2, 62, 12, 20, 95, 63, 94, 39, 63, 8, 40, 91, 66, 49, 94, 21 },
                    { 24, 55, 58, 5, 66, 73, 99, 26, 97, 17, 78, 78, 96, 83, 14, 88, 34, 89, 63, 72 },
                    { 21, 36, 23, 9, 75, 0, 76, 44, 20, 45, 35, 14, 0, 61, 33, 97, 34, 31, 33, 95 },
                    { 78, 17, 53, 28, 22, 75, 31, 67, 15, 94, 3, 80, 4, 62, 16, 14, 9, 53, 56, 92 },
                    { 16, 39, 5, 42, 96, 35, 31, 47, 55, 58, 88, 24, 0, 17, 54, 24, 36, 29, 85, 57 },
                    { 86, 56, 0, 48, 35, 71, 89, 7, 5, 44, 44, 37, 44, 60, 21, 58, 51, 54, 17, 58 },
                    { 19, 80, 81, 68, 5, 94, 47, 69, 28, 73, 92, 13, 86, 52, 17, 77, 4, 89, 55, 40 },
                    { 4, 52, 8, 83, 97, 35, 99, 16, 7, 97, 57, 32, 16, 26, 26, 79, 33, 27, 98, 66 },
                    { 88, 36, 68, 87, 57, 62, 20, 72, 3, 46, 33, 67, 46, 55, 12, 32, 63, 93, 53, 69 },
                    { 4, 42, 16, 73, 38, 25, 39, 11, 24, 94, 72, 18, 8, 46, 29, 32, 40, 62, 76, 36 },
                    { 20, 69, 36, 41, 72, 30, 23, 88, 34, 62, 99, 69, 82, 67, 59, 85, 74, 4, 36, 16 },
                    { 20, 73, 35, 29, 78, 31, 90, 1, 74, 31, 49, 71, 48, 86, 81, 16, 23, 57, 5, 54 },
                    { 1, 70, 54, 71, 83, 51, 54, 69, 16, 92, 33, 48, 61, 43, 52, 1, 89, 19, 67, 48 } 
            };

            System.out.println("Problem 11.");
            long before = System.nanoTime();
            long result = Problem11.solve(array);
            long after = System.nanoTime();
            System.out.println("result=" + result);
            System.out.println("Computed in " + FORMAT.format(after - before) + " ns");
            System.gc();

            System.out.println("Problem 11 ideal solution.");
            before = System.nanoTime();
            result = Problem11.ideal(array);
            after = System.nanoTime();
            System.out.println("result=" + result);
            System.out.println("Computed in " + FORMAT.format(after - before) + " ns");
            System.out.println();
            System.gc();
        }

        {
            File file = new File("files/euler.txt");

            System.out.println("Problem 13.");
            long before = System.nanoTime();
            String result = Problem13.solve(file);
            long after = System.nanoTime();
            System.out.println("result=" + result);
            System.out.println("Computed in " + FORMAT.format(after - before) + " ns");
            System.gc();
        }
    }
}
